用7、8、9的乘法口诀求商,你能提出什么问题?,回顾:,口诀:()八五十六,七,看口诀说出两个除法算式:,说一说:,二七十四,三七二十一,四八三十二,五九四十五,六七四十二,二九十八,四九三十六,三九二十七,213,7,648,8,455,9,328,4,99,1,142,7,186,2,728,9,369,4,549,6,吹吹泡,小兔子过河,162,7,729,637,546,142,819,324,639,213,355,486,567,426,273,455,做一做:,217,246,279,162,355,426,405,305,728,324,639,488,蜗牛回家,说一说:,通过本节课的学习,你有什么收获?,请多指导,谢谢!,